CN207765625U

CN207765625U - A kind of tower grounding device

Info

Publication number: CN207765625U
Application number: CN201721449780.3U
Authority: CN
Inventors: 孙永春; 杨汉勤; 杜思存; 刘星; 陈俊璞
Original assignee: JIANGSU JINHEYI COMPOSITE NEW MATERIAL CO Ltd
Current assignee: JIANGSU JINHEYI COMPOSITE NEW MATERIAL CO Ltd
Priority date: 2017-11-03
Filing date: 2017-11-03
Publication date: 2018-08-24
Anticipated expiration: 2027-11-03

Abstract

The utility model provides one kind, and the column foot of shaft tower is four, is in quadrangular array, forms a quadrilateral area, and the tower grounding device includes several vertical grounding electrodes and ground wire, and the ground wire extends outwardly along the column foot of shaft tower respectively to be arranged in ray.When shaft tower is in the area that soil resistivity is 2000 ohm meters or more, the quantity of the vertical grounding electrode is four, the quantity of the ground wire is four, four vertical grounding electrodes are separately positioned on the ground wire at four column foots, the elongated end of four ground wires is respectively equipped with ionic earthing array, it is covered with ground connection reinforcing material around four ground wires, is covered with ground connection reinforcing material around the rectangular shaped rim of four vertical grounding electrode compositions.The utility model, not perishable, service life is long, can be according to soil resistivity, the vertical ground connection grade of rationally adjustment, ground wire, the quantity for being grounded reinforcing material and ionic earthing array, the reduction soil resistivity being more prone to.

Description

A kind of tower grounding device

Technical field

The utility model is related to earthed system fields, more particularly to a kind of tower grounding device.

Background technology

Tower grounding device is the important component of transmission line of electricity, is the general name of grounding body and down conductor, is made Be to ensure that lightning current reliably leak into the earth, protection circuit is apparatus insulated, reduce lightning outage rate, improve operational reliability With the personal injury for avoiding step voltage from generating.

Existing tower grounding device has the following defects：

1), galvanized steel ground grid seriously corroded.

According to the investigation that the authoritative unit such as military high institute carries out the ground connection of National Power System, galvanized steel ground grid uses the longevity Life is only 7-15, is not achieved 60 years and requires.

2) high temperature zinc coat when, being welded, leads to earth mat connector seriously corroded.

3), its soil resistivity of many engineering projects is higher, and floor space is smaller, it is difficult to be grounded low resistance requirement.

4), using various resistance-lowering materials, easily accelerate the corrosion of docking ground major network.

Utility model content

Based on this, it is necessary to provide a kind of tower grounding dress for being not easy burn into service life length, being easily grounded low resistance It sets.

The column foot of a kind of tower grounding device, shaft tower is four, is in quadrangular array, forms a quadrilateral area, institute It includes several vertical grounding electrodes and ground wire to state tower grounding device, and the ground wire extends outwardly along the column foot of shaft tower respectively It is arranged in ray；

When shaft tower is in area of the soil resistivity less than 100 ohm meters, the quantity of the vertical grounding electrode is one or two A, the quantity of the ground wire is one or two, and the vertical grounding electrode is set to the elongated end of the ground wire.

When shaft tower is in the area that soil resistivity is 100~200 ohm meters, the quantity of the vertical grounding electrode is four, The quantity of the ground wire is four, and the vertical grounding electrode is set to the elongated end of the ground wire.

When shaft tower is in the area that soil resistivity is 200~500 ohm meters, the quantity of the vertical grounding electrode is eight, Two groups are equally divided into, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on the ground wire At four column foots and the elongated end of the ground wire.

When shaft tower is in the area that soil resistivity is 500~1000 ohm meters, the quantity of the vertical grounding electrode is eight, Two groups are equally divided into, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on the ground wire At four column foots and the elongated end of the ground wire, it is covered with ground connection reinforcing material around four ground wires.

When shaft tower is in the area that soil resistivity is 1000~2000 ohm meters, the quantity of the vertical grounding electrode is eight It is a, two groups are equally divided into, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on the ground wire It is upper to be covered with ground connection reinforcing material around four ground wires at four column foots and the elongated end of the ground wire, it is close It is covered with ground connection reinforcing material around the rectangular shaped rim of four vertical grounding electrodes composition at four column foots.

When shaft tower is in the area that soil resistivity is 2000 ohm meters or more, the quantity of the vertical grounding electrode is four, The quantity of the ground wire is four, and four vertical grounding electrodes are separately positioned on the ground wire close to four column foots Place, the elongated end of four ground wires are respectively equipped with ionic earthing array, and ground connection is covered with around four ground wires and is increased Strong material is covered with ground connection reinforcing material around the rectangular shaped rim of four vertical grounding electrodes compositions.

Further, the material of the vertical grounding electrode and the ground wire is that copper covers Steel material, and covers steel in copper Material surface heat is soaked with tin layers.

The utility model has the beneficial effects that：According to soil resistivity, the number of the vertical ground connection grade and ground wire of rationally adjustment Amount, and when soil resistivity reaches highest, be properly added ground connection reinforcing material and ionic earthing array, it is made to be more prone to Reduction soil resistivity.Earthing pole covers Steel material using copper, and composite skins are tin, anti-oxidant, do not influence cathodic protection, internal layer Oxygen-free copper, anti-corrosion, electric conductivity are excellent.Ground wire covers Steel material, surface layer tinning, no electrochemical corrosion and primary battery effect using copper It answers, does not influence cathodic protection.

Description of the drawings

Fig. 1 is structural schematic diagram of the utility model tower grounding device when soil resistivity is less than 100 ohm meter；

Fig. 2 is structural representation of the utility model tower grounding device when soil resistivity is 100~200 ohm meter Figure；

Fig. 3 is structural representation of the utility model tower grounding device when soil resistivity is 200~500 ohm meter Figure；

Fig. 4 is structural representation of the utility model tower grounding device when soil resistivity is 500~1000 ohm meter Figure；

Fig. 5 is structural representation of the utility model tower grounding device when soil resistivity is 1000~2000 ohm meter Figure；

Fig. 6 is structural representation of the utility model tower grounding device when soil resistivity is 2000 ohm meters or more Figure；

In figure, 1- column foots, 2- vertical grounding electrodes, 3- ground wires, 4- ground connection reinforcing material, 5- ionic earthing arrays.

Specific implementation mode

The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model Define.

The column foot 1 of a kind of tower grounding device, shaft tower is four, is in quadrangular array, forms a quadrilateral area, bar Tower earthing or grounding means includes several vertical grounding electrodes 2 and ground wire 3, and it is in penetrate that ground wire 3 extends outwardly along the column foot of shaft tower 1 respectively Line is arranged；

Referring to Fig. 1, when shaft tower is in area of the soil resistivity less than 100 ohm meters, the quantity of vertical grounding electrode 2 is one A or two, the quantity for being grounded 3 is one or two, and vertical grounding electrode 2 is set to the elongated end of ground wire 3.

Referring to Fig. 2, when shaft tower is in the area that soil resistivity is 100~200 ohm meters, the quantity of vertical grounding electrode 2 It it is four, the quantity for being grounded 3 is four, and vertical grounding electrode 2 is set to the elongated end of ground wire 3.

Referring to Fig. 3, when shaft tower is in the area that soil resistivity is 200~500 ohm meters, the quantity of vertical grounding electrode 2 It is eight, is equally divided into two groups, the quantity for being grounded 3 is four, and two groups of vertical grounding electrodes 2 are separately positioned on ground wire 3 and lean on At nearly four column foots 1 and ground wire 3 elongated end.

Referring to Fig. 4, when shaft tower is in the area that soil resistivity is 500~1000 ohm meters, the quantity of vertical grounding electrode 2 It is eight, is equally divided into two groups, the quantity for being grounded 3 is four, and two groups of vertical grounding electrodes 2 are separately positioned on ground wire 3 and lean on At nearly four column foots 1 and the elongated end of ground wire 3, ground connection reinforcing material 4 is covered with around four piece-root grafting ground wires 3.

Referring to Fig. 5, when shaft tower is in the area that soil resistivity is 1000~2000 ohm meters, the number of vertical grounding electrode 2 Amount is eight, is equally divided into two groups, and the quantity for being grounded 3 is four, and two groups of vertical grounding electrodes 2 are separately positioned on ground wire 3 At four column foots 1 and the elongated end of ground wire 3, it is covered with ground connection reinforcing material 4 around four piece-root grafting ground wires 3, close to four towers Ground connection reinforcing material 4 is covered with around the rectangular shaped rim that four vertical grounding electrodes 2 of Ji1Chu are connected to form.

Referring to Fig. 6, when shaft tower is in the area that soil resistivity is 2000 ohm meters or more, the quantity of vertical grounding electrode 2 It is four, the quantity for being grounded 3 is four, and four vertical grounding electrodes 2 are separately positioned on ground wire 3 at four column foots 1, The elongated end of four piece-root grafting ground wires 3 is respectively equipped with ionic earthing array 5, and ground connection reinforcing material 4 is covered with around four piece-root grafting ground wires 3, Ground connection reinforcing material 4 is covered with around the rectangular shaped rim that four vertical grounding electrodes 2 are connected to form.

Steel material is covered specifically, the material of vertical grounding electrode 2 and ground wire 3 is copper, and steel material surface heat is covered in copper It is soaked with tin layers.

The utility model, according to soil resistivity, rationally adjustment is vertically grounded the quantity of grade 2 and ground wire 3, and in soil When resistivity reaches highest, it is properly added ground connection reinforcing material 4 and ionic earthing array 5, the reduction soil for making it be more prone to Earth resistivity.Wherein, vertical grounding electrode 3 covers Steel material using copper, and composite skins are tin, anti-oxidant, do not influence cathodic protection, interior Layer oxygen-free copper, anti-corrosion, electric conductivity are excellent；Ground wire 3 covers Steel material, surface layer tinning, no electrochemical corrosion and former electricity using copper Pond effect, does not influence cathodic protection.Steel surface is covered in copper and carries out tinning, and surface tin layers reduce its electrode relative to steel and zinc Current potential, and its electrode potential relative to lead can be eliminated.It effectively prevent this tower grounding device to be corroded.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

It is in quadrangular array 1. the column foot of a kind of tower grounding device, shaft tower is four, forms a quadrilateral area, it is special Sign is that the tower grounding device includes several vertical grounding electrodes and ground wire, and the ground wire is respectively along the column foot of shaft tower On extend outwardly and be arranged in ray；

When shaft tower is less than in soil resistivity the area of 100 ohm meters, the quantity of the vertical grounding electrode is one or two, institute The quantity for stating ground wire is one or two, and the vertical grounding electrode is set to the elongated end of the ground wire；

When shaft tower is in the area that soil resistivity is 100~200 ohm meters, the quantity of the vertical grounding electrode is four, described The quantity of ground wire is four, and the vertical grounding electrode is set to the elongated end of the ground wire；

When shaft tower is in the area that soil resistivity is 200~500 ohm meters, the quantity of the vertical grounding electrode is eight, average It is divided into two groups, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on close on the ground wire At four column foots and the elongated end of the ground wire；

When shaft tower is in the area that soil resistivity is 500~1000 ohm meters, the quantity of the vertical grounding electrode is eight, average It is divided into two groups, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on close on the ground wire At four column foots and the elongated end of the ground wire, it is covered with ground connection reinforcing material around four ground wires；

When shaft tower is in the area that soil resistivity is 1000~2000 ohm meters, the quantity of the vertical grounding electrode is eight, is put down Two groups are divided into, the quantity of the ground wire is four, and vertical grounding electrode described in two groups is separately positioned on the ground wire and leans on At nearly four column foots and the elongated end of the ground wire, it is covered with ground connection reinforcing material around four ground wires, close to four It is covered with ground connection reinforcing material around the rectangular shaped rim of four vertical grounding electrodes composition at column foot；

When shaft tower is in the area that soil resistivity is 2000 ohm meters or more, the quantity of the vertical grounding electrode is four, described The quantity of ground wire is four, and four vertical grounding electrodes are separately positioned on the ground wire at four column foots, four The elongated end being grounded described in root is respectively equipped with ionic earthing array, is covered with ground connection strengthening material around four ground wires Expect, is covered with ground connection reinforcing material around the rectangular shaped rim of four vertical grounding electrodes compositions.
2. tower grounding device according to claim 1, which is characterized in that the vertical grounding electrode and the ground wire Material is that copper covers Steel material, and covers steel material surface hot dipping in copper and have tin layers.